The EP4000 from Espressions is a Sous-Vide device and Slowcooker in one. Vacuum-packed food must be used. The great thing about the Espression EP4000 is that it can cook vacuum-packed food to an accuracy of 1 degree, making, for example, meat very juicy and tender. The EP4000 is also equipped with a digital timer, keep-warm function, and has a capacity of 5.5 liters. Vacuum the food, place the vacuum bag in the preheated water, and set the timer. Because the meat cooks in a sealed bag, external factors have no influence.